HarmonyOS API：Stage模型能力的接口

import AbilityLifecycleCallback from "@ohos.app.ability.AbilityLifecycleCallback";
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import UIAbility from "@ohos.app.ability.UIAbility";

let lifecycleid;
export default class MyAbility extends UIAbility {
    onCreate() {
        console.log("MyAbility onCreate")
        let AbilityLifecycleCallback  =  {
            onAbilityCreate(ability){
                console.log("AbilityLifecycleCallback onAbilityCreate ability:" + JSON.stringify(ability));        
            },
          onWindowStageCreate(ability, windowStage){
              console.log("AbilityLifecycleCallback onWindowStageCreate ability:" + JSON.stringify(ability)); 
              console.log("AbilityLifecycleCallback onWindowStageCreate windowStage:" + JSON.stringify(windowStage));           
          },
          onWindowStageActive(ability, windowStage){
              console.log("AbilityLifecycleCallback onWindowStageActive ability:" + JSON.stringify(ability)); 
              console.log("AbilityLifecycleCallback onWindowStageActive windowStage:" + JSON.stringify(windowStage));           
          },
          onWindowStageInactive(ability, windowStage){
              console.log("AbilityLifecycleCallback onWindowStageInactive ability:" + JSON.stringify(ability));
              console.log("AbilityLifecycleCallback onWindowStageInactive windowStage:" + JSON.stringify(windowStage));  
          },
          onWindowStageDestroy(ability, windowStage){
              console.log("AbilityLifecycleCallback onWindowStageDestroy ability:" + JSON.stringify(ability));
              console.log("AbilityLifecycleCallback onWindowStageDestroy windowStage:" + JSON.stringify(windowStage));  
          },
            onAbilityDestroy(ability){
                console.log("AbilityLifecycleCallback onAbilityDestroy ability:" + JSON.stringify(ability));             
            },
            onAbilityForeground(ability){
                console.log("AbilityLifecycleCallback onAbilityForeground ability:" + JSON.stringify(ability));             
            },
            onAbilityBackground(ability){
                console.log("AbilityLifecycleCallback onAbilityBackground ability:" + JSON.stringify(ability));              
            },
            onAbilityContinue(ability){
                console.log("AbilityLifecycleCallback onAbilityContinue ability:" + JSON.stringify(ability));
            }
        }
        // 1.通过context属性获取applicationContext
        let applicationContext = this.context.getApplicationContext();
        // 2.通过applicationContext注册监听应用内生命周期
        lifecycleid = applicationContext.on("abilityLifecycle", AbilityLifecycleCallback);
        console.log("registerAbilityLifecycleCallback number: " + JSON.stringify(lifecycleid));       
    }
    onDestroy() {
        let applicationContext = this.context.getApplicationContext();
        applicationContext.off("abilityLifecycle", lifecycleid, (error, data) => {
            console.log("unregisterAbilityLifecycleCallback success, err: " + JSON.stringify(error));
        });
    }
}
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import AbilityStage from '@ohos.app.ability.AbilityStage';
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class MyAbilityStage extends AbilityStage {
    onCreate() {
        console.log("MyAbilityStage.onCreate is called")
    }
}
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class MyAbilityStage extends AbilityStage {
    onAcceptWant(want) {
        console.log("MyAbilityStage.onAcceptWant called");
        return "com.example.test";
    }
}
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class MyAbilityStage extends AbilityStage {
    onConfigurationUpdate(config) {
        console.log('onConfigurationUpdate, language:' + config.language);
    }
}
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class MyAbilityStage extends AbilityStage {
  onMemoryLevel(level) {
      console.log('onMemoryLevel, level:' + JSON.stringify(level));
  } 
}
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